@ Audi AG
@ BYD Auto / BYD Global Media
VS

Audi A4 Avant vs BYD Seal U - Differences and prices compared

Compare performance (470 HP vs 324 HP), boot space and price (37200 £ vs 34300 £) at a glance. Find out which car is the better choice for you – Audi A4 Avant or BYD Seal U?

Audi A4 Avant

BYD Seal U

5 (2 Reviews)
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Here’s where it gets real: The technical differences in detail

A4 Avant @ Audi AG

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BYD Seal U has a minimal advantage in terms of price – it starts at 34300 £, while the Audi A4 Avant costs 37200 £. That’s a price difference of around 2965 £.

Fuel consumption also shows a difference: BYD Seal U manages with 0.40 L and is therefore convincingly more efficient than the Audi A4 Avant with 4.80 L. The difference is about 4.40 L per 100 km.

Seal U @ BYD Auto / BYD Global Media

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A4 Avant has a distinct edge – offering 470 HP compared to 324 HP. That’s roughly 146 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A4 Avant is clearly quicker – completing the sprint in 3.70 s, while the BYD Seal U takes 5.90 s. That’s about 2.20 s faster.

In terms of top speed, the Audi A4 Avant performs clearly perceptible better – reaching 300 km/h, while the BYD Seal U tops out at 180 km/h. The difference is around 120 km/h.

There’s also a difference in torque: Audi A4 Avant pulls minimal stronger with 600 Nm compared to 550 Nm. That’s about 50 Nm difference.

A4 Avant @ Audi AG

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: offers more seating capacity – vs .

In curb weight, Audi A4 Avant is evident lighter – 1595 kg compared to 1940 kg. The difference is around 345 kg.

In terms of boot space, the BYD Seal U offers somewhat more room – 552 L compared to 495 L. That’s a difference of about 57 L.

In maximum load capacity, the Audi A4 Avant performs slight better – up to 1495 L, which is about 30 L more than the BYD Seal U.

When it comes to payload, Audi A4 Avant clearly perceptible takes the win – 565 kg compared to 410 kg. That’s a difference of about 155 kg.

Who wins the race?

The BYD Seal U proves to be leaves the rival little chance and therefore becomes our DriveDuel Champion!
BYD Seal U is the better all-rounder in this comparison.

from about £34,300
Seal U @ BYD Auto / BYD Global Media

BYD Seal U

  • Engine Type : Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 218 - 324 HP
  • Consumption L/100km : 0.4 - 1.2 L
  • Consumption kWh/100km : 19.9 - 20.5 kWh
  • Electric Range : 70 - 500 km
Audi A4 Avant
BYD Seal U

Costs and Consumption

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Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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BYD Seal U

5 (2 Reviews)
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The BYD Seal U pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

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Audi A4 Avant
BYD Seal U
A4 Avant @ Audi AG
Seal U @ BYD Auto / BYD Global Media

Costs and Consumption

Price
37200 - 122500 £
Price
34300 - 39800 £
Consumption L/100km
4.8 - 9.7 L
Consumption L/100km
0.4 - 1.2 L
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 20.5 kWh
Electric Range
-
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 220 g/km
co2
0 - 26 g/km
Fuel tank capacity
40 - 58 L
Fuel tank capacity
60 L

Dimensions and Body

Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1595 - 1820 kg
Curb weight
1940 - 2147 kg
Trunk capacity
495 L
Trunk capacity
425 - 552 L
Length
4750 - 4782 mm
Length
4775 - 4785 mm
Width
1842 - 1866 mm
Width
1890 mm
Height
1428 - 1493 mm
Height
1668 - 1670 mm
Max trunk capacity
1495 L
Max trunk capacity
1440 - 1465 L
Payload
510 - 565 kg
Payload
410 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Engine Type
Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
CVT, Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
136 - 470 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
210 - 300 km/h
Max Speed
170 - 180 km/h
Torque
270 - 600 Nm
Torque
300 - 550 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
100 - 346 kW
Power kW
160 - 238 kW
Engine capacity
1968 - 2894 cm3
Engine capacity
1497 - 1498 cm3

General

Model Year
2023 - 2024
Model Year
2024
CO2 Efficiency Class
E, F, D, G
CO2 Efficiency Class
B, A
Brand
Audi
Brand
BYD
What drivetrain options does the Audi A4 Avant have?

The Audi A4 Avant is offered with All-Wheel Drive or Front-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.